Watch case



FIG. 1 is a front elevational view of watch case, showing my new design;

FIG. 2 is a top plan view thereof;

FIG. 4 is a rear elevational view thereof;

FIG. 3 is a right side elevational view thereof; the opposite side being a mirror image thereof; and,

FIG. 5 is a front, bottom and right side perspective view thereof. 

The ornamental design for watch case, as shown. 